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SliderCtrlWithEcho.h

00001 // University of Washington Bothell Graphics Library
00002 // Authors: Kelvin Sung, Steve Baer
00003 // The accompanying library supports CSS Graphics courses taught at UW-Bothell
00004 // See: http://courses.washington.edu/css450/
00005 //      http://courses.washington.edu/css451/
00007 #pragma once
00008 
00015 class CSliderCtrlWithEcho : public CSliderCtrl
00016 {
00019   DECLARE_DYNAMIC(CSliderCtrlWithEcho)
00020 
00021 public:
00022   CSliderCtrlWithEcho();
00023   virtual ~CSliderCtrlWithEcho();
00024 
00029   void Initialize(float min, float max, float init);
00030 
00035   bool SetSliderValue(float userValue);
00036 
00039   float GetSliderValue();
00040 
00041 protected:
00044   int ConvertUserValueToSliderPosition(float userValue) const;
00045 
00048   float ConvertSliderPositionToUserValue( int position ) const;
00049 
00052   void UpdateSliderEcho();
00053 
00057   DECLARE_MESSAGE_MAP()
00058 
00059   
00060 
00061 
00062   afx_msg void HScroll(UINT nSBCode, UINT nPos);
00063 
00067   afx_msg void VScroll(UINT nSBCode, UINT nPos);
00068 
00073   afx_msg void OnShowWindow(BOOL bShow, UINT nStatus);
00074 
00075 protected:
00079   static const int SLIDER_RESOLUTION = 100000;
00080 
00083   float m_minimum_value;
00084 
00087   float m_value_range;
00088 
00092   CStatic m_MessageWnd;
00093 
00096   bool IsOrientedVertical() const;
00097 
00098   // Override the OnScroll function if you want to perform an operation when this control
00099   // is scrolled
00100   virtual void OnScroll(float new_value);
00101 };

Generated on Thu Oct 2 02:02:53 2008 for MFC_SliderCtrlWithEcho by doxygen 1.3.1